Base | Representation |
---|---|
bin | 1001111110001011… |
… | …1111011010100001 |
3 | 20220112202222200100 |
4 | 2133202333122201 |
5 | 20440221444420 |
6 | 1121340013013 |
7 | 123221666550 |
oct | 23742773241 |
9 | 6815688610 |
10 | 2676749985 |
11 | 1153a56978 |
12 | 628531169 |
13 | 338735c40 |
14 | 1b56ddd97 |
15 | 109ee1190 |
hex | 9f8bf6a1 |
2676749985 has 192 divisors, whose sum is σ = 5943974400. Its totient is φ = 1084354560.
The previous prime is 2676749947. The next prime is 2676749993. The reversal of 2676749985 is 5899476762.
2676749985 is a `hidden beast` number, since 2 + 6 + 7 + 67 + 499 + 85 = 666.
It is not a de Polignac number, because 2676749985 - 27 = 2676749857 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 17964691 + ... + 17964839.
It is an arithmetic number, because the mean of its divisors is an integer number (30958200).
Almost surely, 22676749985 is an apocalyptic number.
It is an amenable number.
2676749985 is an abundant number, since it is smaller than the sum of its proper divisors (3267224415).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2676749985 is a wasteful number, since it uses less digits than its factorization.
2676749985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 328 (or 325 counting only the distinct ones).
The product of its digits is 45722880, while the sum is 63.
The square root of 2676749985 is about 51737.3171414986. The cubic root of 2676749985 is about 1388.4681959193.
The spelling of 2676749985 in words is "two billion, six hundred seventy-six million, seven hundred forty-nine thousand, nine hundred eighty-five".
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